Winchester Little Rifle Primers 41

Winchester NATO-Spec Armed service Primers 41 are the same primers used in the Lake City five.56mm ammunition. These primers are developed to exacting technical specs for shot to shot regularity. All primers are constantly and rigorously analyzed for regularity and sensitivity at temperatures and conditions far beyond the array of standard usage. Winchester assures carefully-managed weights of primer mixtures, consistency in winchester 41 primers dimension and high quality, specific measurements and tolerances for anvil heights and security in extremes of temperatures and humidity.